Today, at work, I installed Fallow by Bart Waardenburg. It analyses your whole (JavaScript/TypeScript) codebase and finds dead code, duplicate code and code that's too complex. It's quick and works really well. Must have when you have a large codebase and/or are using AI.

GitHub - fallow-rs/fallow: Codebase intelligence for TypeScript and JavaScript. Free static layer: unused code, duplication, circular deps, complexity hotspots, architecture boundaries. Optional paid runtime layer: hot-path review and cold-path deletion evidence from real production traffic. Rust-native, sub-second, 90 framework plugins.
Codebase intelligence for TypeScript and JavaScript. Free static layer: unused code, duplication, circular deps, complexity hotspots, architecture boundaries. Optional paid runtime layer: hot-path ...




